Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add pledgeandgrow/pledge-skills --skill fluttergit clone --depth 1 https://github.com/pledgeandgrow/pledge-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/pledgeandgrow/pledge-skills/flutter)<a href="https://agentmods.dev/skills/pledgeandgrow/pledge-skills/flutter"><img src="https://agentmods.dev/badge/skills/pledgeandgrow/pledge-skills/flutter.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00126 | $0.01710 |
| Opus 5 | $0.00063 | $0.00855 |
| Sonnet 5 | $0.00025 | $0.00342 |
| Haiku 4.5 | $0.00013 | $0.00171 |
Grade A, and why
flutter scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 82 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter Skill
Flutter 3.44 — Google's UI toolkit for building beautiful, natively compiled applications for mobile, web, desktop, and embedded from a single Dart codebase.
Quick Reference
| Topic | File |
|---|---|
| Introduction (install, get-started, widget fundamentals, learning pathway) | introduction.md |
| Widget Catalog (Material, Cupertino, basics, animation, input, layout, scrolling, text, styling) | widgets.md |
| Layouts (Row, Column, Stack, ListView, GridView, constraints, LayoutBuilder, MediaQuery) | layout.md |
| Scrolling (ListView, GridView, Slivers, CustomScrollView, ScrollController, physics) | scrolling.md |
| Interactivity (StatefulWidget, setState, gestures, input, forms, Dismissible) | interactivity.md |
| Animations (implicit, explicit, AnimationController, Tween, Hero, staggered, curves) | animations.md |
| Animations API Overview (Animation class, CurvedAnimation, Tween, listeners, status) | animations-overview.md |
| Navigation & Routing (Navigator, MaterialPageRoute, go_router, deep linking, nested) | navigation.md |
| Deep Linking (App Links, Universal Links, URL strategies, Router widget, testing) | deep-linking.md |
| URL Strategies (hash vs path, server config, base href, go_router) | url-strategies.md |
| Assets & Images (declaring assets, resolution-aware, fonts, icons, platform assets) | assets-and-images.md |
| Adaptive & Responsive Design (MediaQuery, LayoutBuilder, breakpoints, platform detection) | adaptive-responsive.md |
| Accessibility & i18n (Semantics, screen readers, ARB files, intl, RTL, large fonts) | accessibility-i18n.md |
| State Management (setState, Provider, Riverpod, Bloc, ValueNotifier, InheritedWidget) | state-management.md |
| Data & Backend (HTTP, dio, JSON serialization, Firebase, Firestore, Auth, persistence) | data-backend.md |
| Firebase (Firestore, Auth, Storage, Cloud Functions, Messaging, Crashlytics, Analytics) | firebase.md |
| Networking (HTTP package, dio, WebSockets, interceptors, error handling) | networking.md |
| Serialization (JSON, json_serializable, freezed, JsonKey, code generation) | serialization.md |
| Persistence (SharedPreferences, sqflite, Hive, Drift, file storage, path_provider) | persistence.md |
| App Architecture (MVVM, separation of concerns, repositories, DI, design patterns) | app-architecture.md |
| Architectural Overview (engine, embedder, framework layers, threading, rendering pipeline) | architectural-overview.md |
| Platform Integration (Android, iOS, web, Windows, macOS, Linux, platform channels, plugins) | platform-integration.md |
| Platform Channels (MethodChannel, EventChannel, Pigeon, platform-specific Dart code) | platform-channels.md |
| Platform Views (AndroidView, UiKitView, PlatformViewLink, hybrid composition) | platform-views.md |
| Android Platform (JetPack APIs, splash screen, Platform Views, restore state, predictive back, ChromeOS) | android-platform.md |
| iOS Platform (launch screen, Platform Views, app extensions, Apple frameworks, App Clip, Info.plist) | ios-platform.md |
| Web Platform (WebAssembly, renderers, URL strategy, SEO, deployment, browser support) | web-platform.md |
| Windows Platform (setup, building, external windows, window management, MSIX deployment) | windows-platform.md |
| macOS Platform (setup, building, Platform Views, entitlements, sandbox, App Store deployment) | macos-platform.md |
| Linux Platform (setup, building, GTK, themes, Snap/Flatpak/AppImage/deb deployment) | linux-platform.md |
| Packages & Plugins (pub.dev, using packages, developing packages, federated plugins, publishing) | packages-plugins.md |
| Deployment (Android, iOS, web, macOS, Windows, Linux, signing, flavors, CD, obfuscation) | deployment.md |
| Testing & Debugging (unit, widget, integration tests, mocktail, DevTools, build modes, errors) | testing.md |
| Performance (metrics, rendering, app size, memory, shader jank, RepaintBoundary) | performance.md |
| Performance Profiling (DevTools, frame timeline, widget rebuild profiler, jank diagnosis) | performance-profiling.md |
| App Size (measuring, reducing, App Bundles, split APKs, obfuscation, deferred components) | app-size.md |
| Tools & Techniques (Flutter SDK CLI, DevTools, hot reload, VS Code, Android Studio, flutter fix) | tools.md |
| Add to App (multi-engine, multi-view, Flutter module, Android/iOS/web integration) | add-to-app.md |
| Release & Updates (channels, upgrading, breaking changes, SDK archive, what's new) | release.md |
| Platform Adaptations (scroll physics, transitions, text selection, fonts, adaptive patterns) | platform-adaptations.md |
| FAQ (general, performance, development, platform integration, web, packages, testing) | faq.md |
| Glossary (Adaptive, Cupertino, Dart, Declarative, Embedder, Engine, Frame, Hot reload, Impeller, Jank, Material, RenderObject, Sliver, Widget) | glossary.md |
What ships with it
42 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- accessibility-i18n.md 4.2 KB
- adaptive-responsive.md 3.7 KB
- add-to-app.md 5.1 KB
- android-platform.md 3.8 KB
- animations-overview.md 5.1 KB
- animations.md 4.6 KB
- app-architecture.md 6.4 KB
- app-size.md 4.4 KB
- architectural-overview.md 6.3 KB
- assets-and-images.md 3.2 KB
- data-backend.md 5.3 KB
- deep-linking.md 4.4 KB
- deployment.md 4.5 KB
- faq.md 4.4 KB
- firebase.md 6.0 KB
- glossary.md 5.4 KB
- interactivity.md 4.2 KB
- introduction.md 4.3 KB
- ios-platform.md 3.8 KB
- layout.md 4.6 KB
- linux-platform.md 2.6 KB
- macos-platform.md 2.9 KB
- navigation.md 3.9 KB
- networking.md 3.4 KB
- packages-plugins.md 4.3 KB
- performance-profiling.md 4.3 KB
- performance.md 4.2 KB
- persistence.md 4.3 KB
- platform-adaptations.md 3.3 KB
- platform-channels.md 5.1 KB
- platform-integration.md 4.7 KB
- platform-views.md 4.5 KB
- release.md 1.9 KB
- scrolling.md 5.0 KB
- serialization.md 3.3 KB
- state-management.md 5.0 KB
- testing.md 6.0 KB
- tools.md 4.4 KB
- url-strategies.md 2.6 KB
- web-platform.md 3.7 KB
- widgets.md 3.8 KB
- windows-platform.md 2.7 KB
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 82 lines · 126 tokens per session scan A 3c4fadb5178e
flutter is a skill published in the GitHub repository pledgeandgrow/pledge-skills (10 stars, last pushed 1mo ago), licensed MIT. It adds 126 tokens to every session and 1,710 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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